Improving Machinery Reliability 3 Episode 13 docx

... 190 Blower seal 556 Improving Machinery Reliability Figure 13- 32. The seal face for OD and ID pressurization stays closed in case of reversed pressure. Figure 13- 33. Pressure developed ... temperature is shown in Figure 13- 13. The multiport arrangement resulted in cooler and more stable face temperatures. After 540 Improving Machinery Reliability Figure...

Ngày tải lên: 13/08/2014, 09:20

... Figure 3- 82). The stress concentration factor for our sample keyway is 2.9 (obtained from Figure 3- 84). 43 Figure 3- 82. Steam-turbine shaft dimensions. 236 Improving Machinery Reliability ... New York.) Machinery Reliability Audits and Reviews 2 13 Alternating torsional stress z, = (0.2) (9,680) = 1,940 psi MF = (1 73, 250) (0 .3) = 52,000 lb-in....

Ngày tải lên: 13/08/2014, 09:20

... na $31 , 536 $33 ,1 13 $34 ,768 $36 ,507 $38 ,33 2 Horsepower Losses na $ 130 ,086 $ 130 ,086 $ 130 ,086 $ 130 ,086 $ 130 ,086 Operation and Maintenance na $25,000 $31 ,250 $39 ,0 63 $48,828 $61, 035 Fouling ... $33 ,1 13 $ 130 ,086 $31 ,250 $15,000 $0 $242 ,32 7 na na $22,966 $34 ,768 $ 130 ,086 $39 ,0 63 $15,000 $0 $241,8 83 ~ $12,000 n...

Ngày tải lên: 13/08/2014, 09:20

... Specificatiori 7 1 2 3 4 I e 10 11 12 13 I4 15 16 17 16 ! 23 24 21 2( 21 21 2( 3( 31 3; 3: 3r 3! 24 3i 31 31 41 4 4; 4 4! 41 4 4 PAGE3 OF b JOB NO. ITEM ... . . . . . ,32 9 Allowable Load, 33 1 ; Excessive Flexibility, 33 3; Theoretical Restraints, 33 4; Expansion Joints, 33 5; Other Practical Considerations, 33 7; References,...

Ngày tải lên: 13/08/2014, 09:20

... 48 Improving Machinery Reliability 7th STREET EAST / W 3 W > 4 I- 3 E m -7 BLOCK 7 AREA 0 0 P-6A 0 P-68 0- L3 P-17A P-178 Figure 1 -33 . Equipment lubrication ... ROTOR CLEAFANCEI MACHINETAQNO C-1 03 (Ethylene) Figure 1 -30 . Turnaround and maintenance informa- tion: rotor clearances. 38 Improving Machinery Reliability Table 1-2 C...

Ngày tải lên: 13/08/2014, 09:20

... 4,026. 5 ,33 3. 3, 019. 3, 555. 2,0 13. 1,778. 1,006. 711. 4 03. 14 ,34 8. 16,0 13. 14,479. 15,028. 10,629. 1 1,892. 10,760. 11,176. 6,911. 7,771. 7,042. 7 ,32 4. 3, 192. 3, 6 53. 3, 3 23. 3, 472. ... 26.720 5.714 27.279 5.461 27.9 63 5 .32 0 28.8 03 5.269 29.842 5.291 31 .144 5 .37 5 32 .8 13 5.502 35 .020 5.659 38 .078 5.875 42.625 6. 233 50.248 7.0...

Ngày tải lên: 13/08/2014, 09:20

... leakage 1 03 Shaft problemskouplings 21 Case failure/auxiliary lines 35 Stuck 20 Bad performance 4 17 Other causes Total 38 2 - 1 53 83 13 22 60 2 13 18 22 38 6 - Muchirzevy Reliability ... has insured an average of 6 ,35 3 steam turbines. During this time period, one out of every 186 steam 146 Improving Machinery Reliability 400 5 35 0 5 3...

Ngày tải lên: 13/08/2014, 09:20

... 126,000 x 13, 200 x 5.5 13 8,088 x 89.87 x 18 x 4.5 13 K' = = 15.5 .3 Ratio: 175.7115.5 .3 = 1. 13 Step 4: P, = Nl(d1cos'P) = 4119.48 x 0.8658) = 5 13, 200 x 126,000 ... with 190 Improving Machinery Reliability Example Problem Step I: Vendor A Proposes: P,, = 13, 200 hp np = 8,088 rpm d = 9.48 in. F= 18in. Ha...

Ngày tải lên: 13/08/2014, 09:20

... 0.71I0.Bl~0.57l0.51~0.45~040~0 .36 ~0 .32 ~0.29~0.26~0. 23~ 020~0.1~~0.16~ 0.151 0.13I 0.121 0 10 F~l~revalueol US11.001 1 001 1.121 1251 1.401 1.571 1.761 1.9112 211 2.481 2 7? 13 11 13. 461 39 014 .36 14 88l547l6.13l 6 871 7.691 8 811 965 ... LCC Total: 5.94 18 12 ,37 0 102,900 0 2,082 17 ,31 7 19 ,39 9 267,024 267.024 9.16 4 3, 700 102,900 49,700 404 1...

Ngày tải lên: 13/08/2014, 09:20

... Capital Equipmenl 135 00 Sustaining Costs Documenlalion Costs 1000 0 [Pisposal costs 30 00 0 30 00 0 0 0 0 0 0 0 0 ~otai= 17000 30 8 Improving Machinery Reliability ment ages. ... PumpBeanngs 6 01667 8 100 t 133 Motom 12 00 833 8 100 S 67 cwpllng 20 00500 a 100 5 40 Maintenarm PM nsits 12 50s 600 Opsratms PM nslts 10 4 35 5 36...

Ngày tải lên: 13/08/2014, 09:20